Gravesendの時間
22:16:13
日の出: 07:49:30 
日没: 15:50:3706:16:13
01:16:13
19:16:13
03:46:13
16:16:13
06:16:13
03:16:13
06:16:13
06:16:13
03:46:13
01:16:13
06:16:13
04:16:13
07:16:13
19:16:13
Gravesendと主要都市の時差
+7
+7
+7
+6.5
+6
+6
+6
+6
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5.5
+5
+5
+4.5
+4
+3.5
+3
+3
+3
+3
+3
+3
+3
+2
+2
+2
+2
+1
+1
+1
+1
+1
+1
+1
+0
+0
-3
-3
-3
-3
-4
-5
-5
-5
-6
-8